Motor racing: No 'Andretti Curse' in August, says Marco

Aug 17, 2020; Indianapolis, Indiana, USA; Indy Car Series driver Marco Andretti poses for a family photo shoot with wife Marta and his sister and his father Michael Andretti and Michael's family during a front row photo shoot before the 104th running of the Indianapolis 500 at the Indianapolis Motor Speedway. Mandatory Credit: Brian Spurlock-USA TODAY Sports

(Reuters) - After more than five decades of Brickyard frustration the "Andretti Curse" has become as much a part of the Indianapolis 500 as the command for drivers to "start your engines".

American motor racing royalty, the Andrettis have ruled over open wheel racing in the United States with a string of victories that have connected generations -- father (Mario), to son (Michael), to grandson (Marco).